(t *testing.T)
| 425 | require.NoError(t, err) |
| 426 | |
| 427 | err = unix.SetNonblock(connFd, false) |
| 428 | require.NoError(t, err) |
| 429 | |
| 430 | // Send a client request |
| 431 | timeout := 1 * time.Second |
| 432 | cconn, err := net.DialTimeout("udp", conn.LocalAddr().String(), timeout) |
| 433 | require.NoError(t, err) |
| 434 | defer cconn.Close() |
| 435 | _, err = cconn.Write(request) |
| 436 | require.NoError(t, err) |
| 437 | |
| 438 | // read kernel timestamp from incoming packet |
| 439 | data, returnaddr, nowKernelTimestamp, err := ReadPacketWithRXTimestamp(connFd) |
| 440 | require.Equal(t, request, data, "We should have the same request arriving on the server") |
| 441 | require.Equal(t, time.Now().Unix()/10, nowKernelTimestamp.Unix()/10, "kernel timestamps should be within 10s") |
| 442 | requireEqualNetAddrSockAddr(t, cconn.LocalAddr(), returnaddr) |
| 443 | require.NoError(t, err) |
| 444 | } |
| 445 | |
| 446 | func TestReadPacketWithRXTXTimestamp(t *testing.T) { |
| 447 | request := []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 42} |
| 448 | // listen to incoming udp packets |
| 449 | conn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.ParseIP("localhost"), Port: 0}) |
| 450 | require.NoError(t, err) |
| 451 | defer conn.Close() |
| 452 | |
| 453 | // get connection file descriptor |
| 454 | connFd, err := ConnFd(conn) |
| 455 | require.NoError(t, err) |
| 456 | |
| 457 | // Allow reading of kernel timestamps via socket |
| 458 | err = EnableSWTimestamps(connFd) |
| 459 | require.NoError(t, err) |
| 460 | |
| 461 | err = unix.SetNonblock(connFd, false) |
| 462 | require.NoError(t, err) |
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